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Moons of Jupiter. A montage of Jupiter and its four largest moons (distance and sizes not to scale) There are 95 moons of Jupiter with confirmed orbits as of 5 February 2024. [1] [note 1] This number does not include a number of meter-sized moonlets thought to be shed from the inner moons, nor hundreds of possible kilometer-sized outer ...
Jupiter has 95 moons with known orbits; 72 of them have received permanent designations, and 57 have been named. Its eight regular moons are grouped into the planet-sized Galilean moons and the far smaller Amalthea group. They were named after lovers of Zeus, the Greek equivalent of Jupiter.
From top to bottom: Io, Europa, Ganymede, Callisto. The Galilean moons ( / ˌɡælɪˈleɪ.ən / ), [1] or Galilean satellites, are the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto. They are the most readily visible Solar System objects after the unaided visible Saturn, the dimmest of the classical planets, allowing ...
Jupiter is the fifth planet from the Sun and the largest in the Solar System.A gas giant, Jupiter's mass is more than two and a half times that of all the other planets in the Solar System combined and slightly less than one one-thousandth the mass of the Sun. Jupiter orbits the Sun at a distance of 5.20 AU (778.5 Gm) with an orbital period of 11.86 years.
NASA’s Galileo spacecraft caught a volcano erupting on IO.NASA. Io, the third-largest moon of Jupiter, is the most volcanically active body in the solar system. “The eruptions are so big that ...
Io (/ ˈ aɪ. oʊ /), or Jupiter I, is the innermost and second-smallest of the four Galilean moons of the planet Jupiter.Slightly larger than Earth's moon, Io is the fourth-largest moon in the Solar System, has the highest density of any moon, the strongest surface gravity of any moon, and the lowest amount of water by atomic ratio of any known astronomical object in the Solar System.
Solar eclipses on Jupiter. A picture of Jupiter and its moon Io taken by the Hubble Space Telescope. The black spot is Io's shadow. Jupiter and the Great Red Spot (visible on the lower right), with Ganymede (immediately on the upper right) casting its shadow on Jupiter. The other moons are Europa (further right), Io (first on left), and ...
Jupiter's swirling clouds, in a true-color image taken by the Hubble Space Telescope in April 2017 [1] The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System. It is mostly made of molecular hydrogen and helium in roughly solar proportions; other chemical compounds are present only in small amounts and include methane ...